AMP Font Viewer - Jump to Download - Download.
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Font Manager - Simple font management for GTK+ desktop environments
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
Fonts Ninja - Try fonts discovered on websites in any design software
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.